Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes W221 Door Wiring Front Right O/S Harness Loom Cable A2214406610

Part no. RHD-A2214406610

Mercedes W221 Door Wiring Front Right O/S Harness Loom Cable A2214406610

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226

Part no. A2308204226

Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 Fuse Box Cover Trim Panel A1695450003

Part no. A1695450003

Mercedes W169 Fuse Box Cover Trim Panel A1695450003

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C216 W221 Alternator Wiring Front Loom Harness Cable A2215400436

Part no. RHD-A2215400436

Mercedes C216 W221 Alternator Wiring Front Loom Harness Cable A2215400436

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302

Part no. A1669004302

Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711

Part no. A2465407711

Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A2465407711

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Battery Cable Starter Wiring Loom Harness M274 Petrol A2055403603

Part no. RHD-A2055403603

Mercedes W205 Battery Cable Starter Wiring Loom Harness M274 Petrol A2055403603

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 Rear Trunk Fuse Box On Board Power Distribution A2235403115

Part no. A2235403115

Mercedes W206 Rear Trunk Fuse Box On Board Power Distribution A2235403115

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Adblue Module Mercedes W207 Exhaust Gas Treatment Control ECU Unit A0009009704

Part no. A0009009704

Adblue Module Mercedes W207 Exhaust Gas Treatment Control ECU Unit A0009009704

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 C238 Head Unit Radio Navigation Media Player Unit A2139004310

Part no. A2139004310

Mercedes W213 C238 Head Unit Radio Navigation Media Player Unit A2139004310

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness

Part no. A2055405626

Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Cable Mercedes W176 W246 Wiring Loom Front Right Door O/S A2465407414

Part no. rhd-A2465407414

Door Cable Mercedes W176 W246 Wiring Loom Front Right Door O/S A2465407414

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107

Part no. A2075404107

Mercedes W204 M276 NOX Sensor Adapter Left N/S Harness Wiring Cable A2075404107

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705

Part no. A2465402705

Mercedes W176 Door Harness Loom Cable Wiring Front Left Right N/O/S A2465402705

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C207 E350 CDI OM642.836 231HP Engine Unit ECU Kit A6429001100 Key Lock

Part no. A6429001100-1

Mercedes C207 E350 CDI OM642.836 231HP Engine Unit ECU Kit A6429001100 Key Lock

£265.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292

Part no. A2218708292

Mercedes W221 Safety Module Air Bag SRS Control Unit ECU A2218708292

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915

Part no. A2468201915

AUX Jack Port Mercedes C117 W246 W176 Wiring Loom Cable Harness A2468201915

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 S320 CDI 648.961 204HP Engine Control Unit ECU A6481531279

Part no. A6481531279

Mercedes W211 S320 CDI 648.961 204HP Engine Control Unit ECU A6481531279

£170.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 Battery Bracket Mount Holder Carrier Support A2465454140

Part no. A2465454140

Mercedes W176 Battery Bracket Mount Holder Carrier Support A2465454140

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503

Part no. A1729006503

Mercedes SLK R172 Roadster Folding Roof Module Vario Control Unit A1729006503

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W246 A180 270.910 122HP Engine Control ECU Kit A2709002100 Manual

Part no. A2709002100-14

Mercedes W176 W246 A180 270.910 122HP Engine Control ECU Kit A2709002100 Manual

£427.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 Brake Signal Level Sensor Control Unit Automatic A2239050802

Part no. A2239050802

Mercedes W206 Brake Signal Level Sensor Control Unit Automatic A2239050802

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012

Part no. A1669005012

Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 W205 Relay Module Body Control Module Unit SAM BCM A2059014618

Part no. A2059014618

Mercedes C205 W205 Relay Module Body Control Module Unit SAM BCM A2059014618

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W447 Fuse Box Relay Control Unit Module A4479000707

Part no. A4479000707

Mercedes Vito W447 Fuse Box Relay Control Unit Module A4479000707

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 W213 Rear PDC Parking Assist Module Control Unit A2059052110

Part no. A2059052110

Mercedes W205 W213 Rear PDC Parking Assist Module Control Unit A2059052110

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CLS W218 Control Unit Bracket Amplifier Module Holder Mount A2185450040

Part no. A2185450040

Mercedes CLS W218 Control Unit Bracket Amplifier Module Holder Mount A2185450040

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404507

Part no. A2185404507

Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404507

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301

Part no. A2115452301

Mercedes-Benz E-Class S211 W211 Fuse Box Terminal Connection Unit A2115452301

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802

Part no. A0009058802

Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802

£170.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950

Part no. A2465401950

Battery Base Mercedes C117 W176 W246 Power Fuse Relay Box A2465401950

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 E400d 656.929 340HP Engine Unit ECU Kit A6569001600 Automatic

Part no. A6569001600-1

Mercedes W213 E400d 656.929 340HP Engine Unit ECU Kit A6569001600 Automatic

£265.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 Speedo Meter Module Control Unit ECU A2069000618

Part no. A2069000618

Mercedes W206 Speedo Meter Module Control Unit ECU A2069000618

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 W205 Negative Earth Battery Cable Lead Loom Harness A0009058412

Part no. A0009058412

Mercedes C205 W205 Negative Earth Battery Cable Lead Loom Harness A0009058412

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124403852

Part no. rhd-A2124403852

Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124403852

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107

Part no. A1715400107

Mercedes SLK R171 Window Lifter Lift Switch Cable Wiring Harness A1715400107

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089

Part no. A2218705089

Mercedes W221 Audio Amplifier Sound Harman Becker Control Unit A2218705089

£807.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607

Part no. A2044402607

Earth Ground Cable Mercedes W204 W207 Battery Wiring Loom Engine A2044402607

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 Control Unit Bracket Amplifier Holder Mount Carrier A2475455500

Part no. A2475455500

Mercedes W177 Control Unit Bracket Amplifier Holder Mount Carrier A2475455500

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 C219 CD Media Player Radio COMAND Instruction APS A0045841181

Part no. A0045841181

Mercedes W211 C219 CD Media Player Radio COMAND Instruction APS A0045841181

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616

Part no. A0005457616

Mercedes R171 VDO Transmission Control Unit Module EGS A0005457616

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Relay Mercedes W176 W246 4-Pin Black Hella 12V Electrical A0025428019 Set x4

Part no. A0025428019-3

Relay Mercedes W176 W246 4-Pin Black Hella 12V Electrical A0025428019 Set x4

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W253 Air Conditioning Module A/C Climate Control Unit A0009009425

Part no. A0009009425

Mercedes W253 Air Conditioning Module A/C Climate Control Unit A0009009425

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes X166 Surround View Camera Control Module Unit ECU A0009007804

Part no. A0009007804

Mercedes X166 Surround View Camera Control Module Unit ECU A0009007804

£208.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905

Part no. A2125406905

Mercedes W212 Door Wire Wiring Loom Front Left N/S A2125406905

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185401610

Part no. rhd-A2185401610

Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185401610

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273

Part no. rhd-A6395402273

Mercedes Vito W639 Control Unit Module Bracket Holder Carrier A6395402273

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413

Part no. A2059006413

Door Module W205 Rear Right O/S Door Control Unit Module ECU A2059006413

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103

Part no. A2469056103

Mercedes SL R231 W246 Tailgate Rear View Reversing Camera A2469056103

£132.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

Part no. A9065460643

Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

Part no. A1729051301

Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110

Part no. A2125409110-1

Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400

Part no. A2439008400

Mercedes GLC X253 Sound Audio Amplifier Module Rear Harman A2439008400

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105

Part no. A2125406105

Mercedes W212 Rear LED Wiring Cable Harness Loom A2125406105

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Cable Mercedes W176 W246 Wiring Loom Front Left Door N/S A2465408211

Part no. rhd-A2465408211

Door Cable Mercedes W176 W246 Wiring Loom Front Left Door N/S A2465408211

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600

Part no. A6549009600-3

Mercedes GLC 220d X253 654.920 194HP 4Matic Engine Control Unit A6549009600

£161.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608

Part no. A1765405608

Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

Part no. A1775408609

Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes A205 Pasenger Side Door N/S Harness Loom A2055406831

Part no. A2055406831

Door Wiring Mercedes A205 Pasenger Side Door N/S Harness Loom A2055406831

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908

Part no. A2049005908-1

Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609

Part no. A1669007609

Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

Part no. A0005459712

Mercedes W447 OM654 Power Distributor Box Conectors Socket A0005459712

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 Air Module Control Unit SRS A2069011706

Part no. A2069004216

Mercedes W206 Air Module Control Unit SRS A2069011706

£123.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C238 Transfer Case Torque Distribution Control ECU E53 4matic

Part no. A2909003001-1

Mercedes C238 Transfer Case Torque Distribution Control ECU E53 4matic

£284.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes C205 Rear Parking PDC Sensor Loom Wiring Harness Cable A2055406292

Part no. A2055406292

Mercedes C205 Rear Parking PDC Sensor Loom Wiring Harness Cable A2055406292

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R231 Control Unit Module Passenger Seat A2319003706

Part no. A2319003706

Mercedes R231 Control Unit Module Passenger Seat A2319003706

£104.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818

Part no. A2059006818

Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059006818

£42.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W907 Radio Control Unit ECU Module A2479001709

Part no. A2479001709

Mercedes W907 Radio Control Unit ECU Module A2479001709

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777

Part no. A4475406777

Alternator Wire Mercedes Vito W447 Battery Alternator Cable A4475406777

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114

Part no. A0009009114

Mercedes W205 Air Conditioning Climate Control Module ECU A0009009114

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410

Part no. A1718701410

Mercedes SLK R171 Alarm Anti Theft System Control Module Unit Roof A1718701410

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C292 Rear Door Left Right N/O/S Electrical Wiring Harness A2925407000

Part no. rhd-A2925407000

Mercedes C292 Rear Door Left Right N/O/S Electrical Wiring Harness A2925407000

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W166 SRS System Air Module Control Unit ECU A1669001709

Part no. A1669001709

Mercedes ML W166 SRS System Air Module Control Unit ECU A1669001709

£108.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual

Part no. A6519003403-3

Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118704326

Part no. A2118704326

Air Module Mercedes W211 CLS C219 SRS Control Unit ECU A2118704326

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W639 Gateway Control Unit Module A2034450000

Part no. A2034450000

Mercedes Vito W639 Gateway Control Unit Module A2034450000

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 C200 M254.915 204HP Engine Control Unit ECU A2549006200 Automatic

Part no. A2549006200

Mercedes W206 C200 M254.915 204HP Engine Control Unit ECU A2549006200 Automatic

£218.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A2055401604

Part no. A2055401604

Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A2055401604

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C207 E350 CDI OM642.836 231HP Engine Control ECU A6429001100 Automatic

Part no. A6429001100

Mercedes C207 E350 CDI OM642.836 231HP Engine Control ECU A6429001100 Automatic

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz S-Class W221 Telephone Keypad Control Unit Module A2218230350

Part no. rhd-A2218230350

Mercedes-Benz S-Class W221 Telephone Keypad Control Unit Module A2218230350

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840

Part no. A2135452840

Mercedes W213 ECU Bracket Control Unit Module Holder Mount A2135452840

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Suspension Module Bracket Mercedes W177 W247 AMG Control Unit Holder A1775457800

Part no. A1775457800

Suspension Module Bracket Mercedes W177 W247 AMG Control Unit Holder A1775457800

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001

Part no. A1649005001

Mercedes ML W164 Sam Control Module Fuse Box Unit A1649005001

£522.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317

Part no. A2139003317A

Mercedes C118 V177 W213 Diesel OM654 Automatic Transmission Module A2139003317

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W415 1.5 DCI OM607.951 Engine Control Unit Module ECU 237106319R Manual

Part no. 237106319R

Mercedes W415 1.5 DCI OM607.951 Engine Control Unit Module ECU 237106319R Manual

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

Part no. A1725403405

Mercedes R172 OM651 Diesel Alternator Wiring Harness Cable Loom A1725403405

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket

Part no. A2075453840

Mercedes-Benz E W207 Cabrio A207 Exhaust BlueTec Control Unit Module Bracket

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz M-Class ML W164 Parktronic Unit Module Bracket Mount A1645450847

Part no. A1645450847

Mercedes-Benz M-Class ML W164 Parktronic Unit Module Bracket Mount A1645450847

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes X166 Rear LCD Screen DVD Video Player Deck Reader Module A1669069800

Part no. A1669069800

Mercedes X166 Rear LCD Screen DVD Video Player Deck Reader Module A1669069800

£474.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 GLK X204 CD GPS Player Radio Audio Head Unit A1649064000

Part no. A1649064000

Mercedes ML W164 GLK X204 CD GPS Player Radio Audio Head Unit A1649064000

£151.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 W245 Electrical Wiring Sun Visor Wiring Loom Harness A1698100212

Part no. A1698100212

Mercedes W169 W245 Electrical Wiring Sun Visor Wiring Loom Harness A1698100212

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W206 W214 W223 Aerial Antenna Amplifier Control Unit Module A2239052300

Part no. A2239052300

Mercedes W206 W214 W223 Aerial Antenna Amplifier Control Unit Module A2239052300

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes C118 W177 H243 Front Right O/S Door Control A1779008411

Part no. A1779008411

Door Module Mercedes C118 W177 H243 Front Right O/S Door Control A1779008411

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C292 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902

Part no. rhd-A2925401200

Mercedes C292 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CL C118 W177 Air Module SRS Control Unit ECU A1779007318

Part no. A1779007318

Mercedes CL C118 W177 Air Module SRS Control Unit ECU A1779007318

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507

Part no. A2215408507

Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 PDC Parking Distance Module Control Unit ECU A1669007507

Part no. A1669007507

Mercedes W166 PDC Parking Distance Module Control Unit ECU A1669007507

£89.95

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Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 BCM + Key

Part no. A6549009400-3

Mercedes W907 315CDI OM654.920 Engine Unit Module ECU Kit A6549009400 BCM + Key

£474.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 CD Player Audio Stereo Radio Head Unit A2129003917

Part no. A2129003917

Mercedes W212 CD Player Audio Stereo Radio Head Unit A2129003917

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

  • Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

  • Problems starting the engine.
  • Failure of safety systems such as ABS or airbags.
  • Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

  • Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
  • Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
  • Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

  • Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
  • Ecology – You support recycling and reduce waste by choosing used car parts .
  • Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

  • Regularly check the battery condition and charge level.
  • Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
  • Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

QuestionAnswer
What is a car electrical system?This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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